#A37478
Closest named color: Reddish Grey (#997570). oklch(60.8% 0.06 13.3), rgb(163, 116, 120).
Aa
Black text reads best on this color (5.32:1).
About this color
#A37478 is a medium-dark, muted red. In OKLCH its lightness is 61%, its chroma 0.060 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Reddish Grey (#997570), ΔE 0.022 away. Black text reads best on it, at 5.32:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.060) |
| Temperature | warm |
| Nearest name | Reddish Grey (#997570) |
| Black text | 5.32:1 |
| White text | 3.94:1 |
Values
| HEX | #A37478 |
| RGB | rgb(163, 116, 120) |
| HSL | hsl(355, 20%, 55%) |
| OKLCH | oklch(60.8% 0.06 13.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #A37478 | 3.94:1 | AA large text | Lc -72.2 | Content text, not long reading |
| Black text on #A37478 | 5.32:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #A37478 text on white | 3.94:1 | AA large text | Lc 66.7 | Content text, not long reading |
| #A37478 text on black | 5.32:1 | AA | Lc -34.9 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#EFE8E8
oklch(93.6% 0.008 17.3)
-
Step 200
200
#E4D5D6
oklch(88.5% 0.017 12.8)
-
Step 300
300
#D3B9BB
oklch(80.8% 0.03 12.5)
-
Step 400
400
#BC9598
oklch(70.7% 0.047 13.2)
-
Step 500
500 (this color)
#A37478
oklch(60.8% 0.06 13.3)
-
Step 600
600
#956468
oklch(55.6% 0.064 14)
-
Step 700
700
#7F5257
oklch(49% 0.061 12.3)
-
Step 800
800
#674447
oklch(42.7% 0.049 13.7)
-
Step 900
900
#54393B
oklch(37.6% 0.039 14.2)
-
Step 950
950
#312223
oklch(27.1% 0.023 14.3)
#A37478 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #7C7B78 | 0.064 |
| Deuteranopia (no green cones) | #878477 | 0.061 |
| Tritanopia (no blue cones) | #AC7076 | 0.017 |
| Achromatopsia (no color) | #808080 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37478
#A37478
oklch(60.8% 0.06 13.3)
- #568E8C
#568E8C
oklch(60.8% 0.059 192.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A37478, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddish Grey #997570 ΔE 0.022
- Mauve #AE7181 ΔE 0.026
- English Lavender #9D8189 ΔE 0.036
- Pinkish Brown #B17261 ΔE 0.038
- Purpley Grey #947E94 ΔE 0.046
- Dusky Rose #BA6873 ΔE 0.046
- Dusty Rose #C0737A ΔE 0.050
- Purple Grey #866F85 ΔE 0.056
Use #A37478 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.